33091064 has 8 divisors (see below), whose sum is σ = 62045760. Its totient is φ = 16545528.

The previous prime is 33091057. The next prime is 33091067. The reversal of 33091064 is 46019033.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33091067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068184 + ... + 2068199.

It is an arithmetic number, because the mean of its divisors is an integer number (7755720).

Almost surely, 2^33091064 is an apocalyptic number.

It is an amenable number.

33091064 is a deficient number, since it is larger than the sum of its proper divisors (28954696).

33091064 is a wasteful number, since it uses less digits than its factorization.

33091064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136389 (or 4136385 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33091064 is about 5752.4832898497. The cubic root of 33091064 is about 321.0482033440.

The spelling of 33091064 in words is "thirty-three million, ninety-one thousand, sixty-four".